Life-preserver.



L. D. MQDONALD. LIFE PRESERVER.

APPLICATION FILED AUG. 22, 1908.

9 1 ,76 1 Patented. Mar. 30. 1909.

' anbcufo fwaa 1mm tnched to the belt.

preservcr complete.

"unrrnn LIFE-PRESERVER.

Specification of Letters Patent.

Patented March 30, 1909.

Application filed August: 22, 1908. Serial No. 49,831

' of which the lollowing is u speeilirntion.

This invention relates to life PIPSLI'YH'E, more particularly to the pneumatic type nnd has for its purpose such on :u-tiele embodying a. plurality 0t ziir chambers or llonts independently and detzichnbiy carried by :1, bolt. Another ObjCCl; is to provide at tile preserver that mnv, with slight clnmges in the arrangement of its pnrts be ndztpied for use as an ziid to swimming.

The further purpose of the invention is in 5 providing the belt with appurtennnees that will insure absolute safety in correctly holdmg the life preserver to the body.

With these and other objects in view \Yltit'il will be pointed out in the course olthe sptelj licntion zmd' set forth in the rhiims, my inveution is shown in its preferred embmliinent in the nccom 'ninving illustrnt ion wherein,

Figure l n perspective view ot' the lite Fig. 2 illustrntos it mnnncr ol' npptiention, niid Fig. I; is n detail of n conteniptntml moditicntion that 111:1 be used.

Rel'crrim more in detail to the several figures shown wherein like referent-o elnirzietrrs (.lesignnte corresponding ports in the dill'ercnt views A is n belt. of the ordinnry hind provided with the usual buckle i3. ..\t suitnble points on the belt A is at number of independent air-tight. metallic llonts (I. prcl'ernbiv eonstructcd of copper, but of course the) inn be made of ziny other suitable non-corrosive metal. The llonts nre each provided with n vnlve ll whereby they may be filled with any light gas. Said llonts nre likewise provided with n strnp c riveted or otherwise secured to the bottom thereof, and through encb. of said strnps is n ring D by menus of which the sevoral independent limits mny he niovubly utin the illustration shown the rings 1) ttl'O preferably threaded or strung upon a, belt A, as this manner of attachment permits of their being moved to any position iupon the belt when for any reason such should be desired. As an instance of this the user of the device may desire to move such liouts its would interfere with his arms in swimming in which case the interfering floats ninv he moved or slid Lethe heck of the belt; in which position the device would serve its lull purpose as e. tlont. and vet-permit the l we nrer thereof freedom of hislimbs.

1 Po positiveb hold the belt in proper position about the waist of the wenrer n pair of i side straps i is provided which straps are l hung: from the belt by rings D carrying snaphoohs i The strnps E are designed to encirt ele the legs of the wearer in the manner 5 shown in big. 3. I A pair of nuxilinry sliding rings t: having; snnp-hooks is provided on the helt'it, whereby the position of the leg straps i inn be ehnnged.

The belt A uni be provided with 11 plurality of poi-hots i, din shown in Fig. .3, in which out he plan-ed the valuables of the wearer. in this view is also shown it modification of the air-tight tlonts, dill'erin; in than. the valve ll ot' C is ndjneent the securing member l) {1:1 disthit't from that shown in the llonts C What is rlninied us new is:

A life preserver comprising :1 belt, at plurnlit v oi rings thrended on suid bolt and adapted to hnve free and independent movement thereon, ouch ol' said rings hnving an independent nir-tirht llont loosely secured there: to, suid tloiits nornmlly depending from said rings but udnpted to nssume an upright position when the lite prcserver is in use, it )nir of E det'zu'lu lv looped straps secured to said belt l by rings adapted to have sliding movement i thereon, snid looped strnps ndnoted to enciretc the legs oi the wearer where iy said belt is held in proper position, at pair of auxiliary sliding rings on said belt, whereby the position of said straps may he changed, and x menus whereby said belt may be ndjusted to l the wuist of the wearer.

in testimony whereof I ullix my signature in .pmsenre of two witnesses.

litllllh ni DG /V MCDONALD. Witnesses:

J. t). CLnA'roN, W. J. NALLEY. 

